Mistakes in the House of Mister Douglas

Holmes: It gives me the impression of a secret society of some sort. The same with his badge upon the forearm. That's my idea too, said white mason. But why this gun, of all weapons, exactly? And why the missing ring quite so and why no arrest? Holmes was interrupted by a sharp knock at the door. A tall, sunburned, capable looking, clean shavend man looked in at us. I had no difficulty in guessing that it was cecil barker - i had heard his masterful eyes travelled quickly from face to face. He apologised for interrupting your consultation, but you should hear the latest news. An arrest has not